Home / 769,188.08-1,153,782.98-200,568.68

Finding the Fourth Proportional to 769,188.08, 1,153,782.98 and 200,568.68

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Solution

The fourth proportional to 769,188.08, 1,153,782.98 and 200,568.68 is: 300,853.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,188.08 : 1,153,782.98 = 200,568.68 : x
  2. Step 2: Convert to fraction form
    769,188.08/1,153,782.98 = 200,568.68/x
  3. Step 3: Cross multiply
    769,188.08x = 1,153,782.98 × 200,568.68
  4. Step 4: Simplify right side
    769,188.08x = 231,412,729,305.07
  5. Step 5: Solve for x
    x = 231,412,729,305.07/769,188.08
  6. Step 6: Final answer
    x = 300,853.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.